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<a href="../index-2.html">cppreference.com</a> > <a href=
"index.html">C++ Strings</a> > <a href="insert.html">insert</a>
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<div class="name-format">
insert
</div>
<div class="syntax-name-format">
Syntax:
</div>
<pre class="syntax-box">
#include <string>
iterator insert( iterator i, const char& ch );
string& insert( <strong>size_type</strong> index, const string& str );
string& insert( <strong>size_type</strong> index, const char* str );
string& insert( <strong>size_type</strong> index1, const string& str, <strong>size_type</strong> index2, <strong>size_type</strong> num );
string& insert( <strong>size_type</strong> index, const char* str, <strong>size_type</strong> num );
string& insert( <strong>size_type</strong> index, <strong>size_type</strong> num, char ch );
void insert( iterator i, <strong>size_type</strong> num, const char& ch );
void insert( iterator i, iterator start, iterator end );
</pre>
<p>The very multi-purpose insert() function either:</p>
<ul>
<li>inserts <em>ch</em> before the character denoted by
<em>i</em>,</li>
<li>inserts <em>str</em> into the current string, at location
<em>index</em>,</li>
<li>inserts a substring of <em>str</em> (starting at
<em>index2</em> and <em>num</em> characters long) into the current
string, at location <em>index1</em>,</li>
<li>inserts <em>num</em> characters of <em>str</em> into the
current string, at location <em>index</em>,</li>
<li>inserts <em>num</em> copies of <em>ch</em> into the current
string, at location <em>index</em>,</li>
<li>inserts <em>num</em> copies of <em>ch</em> into the current
string, before the character denoted by <em>i</em>,</li>
<li>or inserts the characters denoted by <em>start</em> and
<em>end</em> into the current string, before the character
specified by <em>i</em>.</li>
</ul>
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<a href="erase.html">erase</a><br>
<a href="replace.html">replace</a>
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